# NousResearch/hermes-agent · Refreshing MCP tool list mid-turn after tool changes

## Open now

- 1 issue, 1 PR open on GitHub.
- #65428: \[Bug\]: MCP ToolListChanged notifications during tool loop are invisible until next user message
- PR #65436: fix(agent): refresh MCP tool manifest mid-turn after tool execution

These members appear to concern MCP tool list updates not being visible within an ongoing agent turn. One is a bug report saying ToolListChanged notifications during a tool loop are not seen until the next user message, and two are pull requests proposing mid-turn refreshes of the MCP tool manifest or snapshot.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 1 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Open related issues

- #65428: \[Bug\]: MCP ToolListChanged notifications during tool loop are invisible until next user message

## Prior & competing PRs

- **#65568: fix(agent): refresh MCP tool snapshot mid-turn when registry advances**. closed without merge · fix tier `suggested`
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#65436`, `#65428`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#65436: fix(agent): refresh MCP tool manifest mid-turn after tool execution**. open
  - maintainer direction: category `partial_fix`; implication `needs_llm`; refs `bc0750b92136`, `#65428`, `#65568`, `#65436`, `#374151`
  - files: `agent/conversation_loop.py`, `tests/agent/test_mid_turn_mcp_refresh.py`, `tools/mcp_tool.py`

## Fix status

- No merged fix on record.
- Subsystem: `mcp`